#pragma once

constexpr int xscreen = 1000;
constexpr int yscreen = 1000;
#define X(x) ((int)(x) + (xscreen >> 1))
#define Y(y) ((int)(-y) + (yscreen >> 1))

#define _X(x) ((int)(x) - (xscreen >> 1))
#define _Y(y) ((int)(-y) + (yscreen >> 1))